Panasonic KX-TG4221N Factory ServicedIncludes 90 Day WarrantyThe Panasonic KX-TG4221N features the best in home phone technology, including New DECT 6.0 plus Technology, voice Mail and Caller ID / Call Waiting. Since the Panasonic KX-TG4221N is expandable up to 6 handsets, you can easily place a receiver in multiple rooms. Some helpful, easy to access phone features include Handset Locator, Ringer ID and Date/ Time Display.